M48 Varmint The Nosler M48 Varmint comes with a match-grade stainless Pac-Nor, fully free-floated hand lapped barrel and has a crisp, custom 3-pound Rifle Basix trigger. In addition, it packs a glass pillar-bedded Kevlar and carbon-fiber stock with a Teflon overcoat. Similar to other models from Nosler, it has Micro Slick and CERAKOTE finishes for successfully preventing corrosion and intrusive weather damage.